FR855226A - Electric incandescent gas-filled lamp - Google Patents

Electric incandescent gas-filled lamp

Info

Publication number
FR855226A
FR855226A FR855226DA FR855226A FR 855226 A FR855226 A FR 855226A FR 855226D A FR855226D A FR 855226DA FR 855226 A FR855226 A FR 855226A
Authority
FR
France
Prior art keywords
electric incandescent
incandescent gas
filled lamp
lamp
filled
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osa Participations Industrielles SA
Original Assignee
Osa Participations Industrielles SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Osa Participations Industrielles SA filed Critical Osa Participations Industrielles SA
Application granted granted Critical
Publication of FR855226A publication Critical patent/FR855226A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
    • H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
FR855226D 1938-05-24 1939-05-24 Electric incandescent gas-filled lamp Expired FR855226A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2208987X 1938-05-24

Publications (1)

Publication Number Publication Date
FR855226A true FR855226A (en) 1940-05-06

Family

ID=7990178

Family Applications (1)

Application Number Title Priority Date Filing Date
FR855226D Expired FR855226A (en) 1938-05-24 1939-05-24 Electric incandescent gas-filled lamp

Country Status (2)

Country Link
US (1) US2208987A (en)
FR (1) FR855226A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2462837A (en) * 1945-10-08 1949-03-01 Tung Sol Lamp Works Inc Incandescent lamp
NL144929B (en) * 1948-02-21 Wellcome Found PROCESS FOR THE PREPARATION OF A MEDICINAL PRODUCT WITH 5-HYDROXYTRYPTAMINE ANTAGONISTIC ACTION AND OF MEDICINAL COMPOUNDS REQUIRED FOR THE ABOVE PROCESS.
US2560953A (en) * 1949-06-30 1951-07-17 Sylvania Electric Prod Electric gaseous discharge device electrode
US2749462A (en) * 1952-05-31 1956-06-05 Gen Electric High pressure mercury vapor lamp with zirconium getter
NL98429C (en) * 1954-05-28
US3174026A (en) * 1962-06-20 1965-03-16 Budd Co Method and means of circumventing cathode maintenance in electron beam devices
GB1166943A (en) * 1967-02-24 1969-10-15 Edwards High Vacuum Int Ltd Cathode Arrangements for Getter Ion Pumps
US4280076A (en) * 1978-10-18 1981-07-21 Duro-Test Corporation Incandescent lamp with structure for collecting evaporated filament material

Also Published As

Publication number Publication date
US2208987A (en) 1940-07-23

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